to end something by force

The Hungarian uprising in 1956 was suppressed by the Soviet Union. 1956年匈牙利起义被苏联武力镇压。

to prevent something from being seen or expressed or from operating

She couldn't suppress her anger/annoyance/delight. 她无法抑制内心的愤怒／气恼／喜悦。

His feelings of resentment have been suppressed for years. 他的怨恨之情已经压抑了多年。

The British government tried to suppress the book because of the information it contained about the security services. 因为这本书的内容涉及情报安全部门的信息，所以英国政府试图查禁它。

The virus suppresses the body's immune system. 这种病毒会抑制人体的免疫系统。